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Class 10

Recognising and Forming Quadratics: Practice, Quiz

Five questions on standard form, roots and forming quadratics. Pick one answer for each.

5 questions, one mark each. 3 to pass. Suggested time: 10 minutes. Your answers are not recorded.

  1. Write 2x(x+1)=3x−42x(x + 1) = 3x - 4 in standard form.
  2. For 5−3x2+2x=05 - 3x^2 + 2x = 0 in the form ax2+bx+c=0ax^2 + bx + c = 0, what are aa, bb, cc?
  3. Which value is a root of 3x2+5x−2=03x^2 + 5x - 2 = 0?
  4. The sum of a number and its square is 7272. Which equation represents this?
  5. A car travels 240240 km. At 2020 km/h faster it would take 11 hour less. With speed xx km/h, which equation fits?
Unanswered questions are marked wrong.

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